%0 Journal Article
%A Frank Wattenberg
%T Differentiable Motions of Unknotted, Unlinked Circles in 3-Space.
%J Mathematica Scandinavica
%D 1972
%P 107-135
%V 30
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1972__30_166227/
%F MS2_1972__30_166227